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From: Brian Rogoff <bpr@shell5.ba.best.com>
Subject: Re: Depending on passing mechanism
Date: 1997/10/22
Date: 1997-10-22T00:00:00+00:00	[thread overview]
Message-ID: <Pine.BSF.3.96.971022155105.19886D-100000@shell5.ba.best.com> (raw)
In-Reply-To: EIFEst.BGL@world.std.com


On Wed, 22 Oct 1997, Robert A Duff wrote:
> Peter Hermann <ica2ph@alpha1.csv.ica.uni-stuttgart.de> wrote:
> >this thread has become very interesting due to
> >a couple of valuable contributions.
> >thank you all. You really have upvalued comp.lang.ada for a while.
> >I am wondering why the SPARK approach (J.Barnes)
> >has not been mentioned in this context.
> 
> I think it *was* mentioned.
> 
> The problem with SPARK is that it's such a *severe* subset of Ada.
> Sure, it solves the problem of by-copy vs by-ref parameters, and others,
> but it cuts out 90% of the language features.  So, although I think it's
> a fine idea for safety-critical apps, I think it cuts out too much for
> general-purpose apps.

Just to amplify, SPARK is roughly 

    Ada - {generics, exceptions, tasking, "use", access types, goto}
        + {various annotations}

and I agree with Bob Duff that it is missing too much for general purpose 
programming.

-- Brian







  reply	other threads:[~1997-10-22  0:00 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-10-13  0:00 Depending on passing mechanism Andre Spiegel
1997-10-13  0:00 ` Matthew Heaney
1997-10-14  0:00 ` Robert Dewar
1997-10-14  0:00 ` Robert Dewar
1997-10-14  0:00   ` Henry Baker
1997-10-15  0:00     ` JP Thornley
1997-10-15  0:00     ` Geert Bosch
1997-10-15  0:00       ` Robert Dewar
1997-10-15  0:00         ` Brian Rogoff
1997-10-19  0:00           ` Robert Dewar
1997-10-22  0:00             ` Henry Baker
1997-10-15  0:00         ` Robert Dewar
1997-10-17  0:00           ` Andre Spiegel
1997-10-17  0:00             ` Henry Baker
1997-10-17  0:00               ` Robert I. Eachus
1997-10-17  0:00               ` Jon S Anthony
1997-10-21  0:00               ` Robert A Duff
1997-10-21  0:00                 ` Peter Hermann
1997-10-22  0:00                   ` Robert A Duff
1997-10-22  0:00                     ` Brian Rogoff [this message]
1997-10-22  0:00                 ` Henry Baker
1997-10-21  0:00                   ` Robert Dewar
1997-10-22  0:00                   ` Jon S Anthony
1997-10-22  0:00                   ` Brian Rogoff
1997-10-15  0:00       ` Henry Baker
1997-10-15  0:00         ` Robert Dewar
1997-10-15  0:00         ` Jon S Anthony
1997-10-16  0:00         ` Brian Rogoff
1997-10-17  0:00           ` Henry Baker
1997-10-18  0:00             ` Brian Rogoff
1997-10-18  0:00               ` Matthew Heaney
1997-10-19  0:00                 ` Brian Rogoff
1997-10-21  0:00                   ` Robert A Duff
1997-10-22  0:00                     ` Robert Dewar
1997-10-22  0:00                       ` Brian Rogoff
     [not found]                         ` <dewar.877601826@merv>
1997-10-23  0:00                           ` Brian Rogoff
1997-10-23  0:00                       ` Henry Baker
1997-10-23  0:00                     ` Brian Rogoff
1997-10-19  0:00               ` Fergus Henderson
1997-10-19  0:00                 ` Brian Rogoff
1997-10-20  0:00                   ` Fergus Henderson
1997-10-20  0:00                 ` Henry Baker
1997-10-20  0:00                   ` Tucker Taft
1997-10-21  0:00                     ` Geert Bosch
1997-10-18  0:00             ` Fergus Henderson
1997-10-21  0:00     ` Robert A Duff
1997-10-22  0:00       ` Henry Baker
1997-10-21  0:00         ` Matthew Heaney
1997-10-22  0:00           ` Simon Wright
1997-10-23  0:00           ` Henry Baker
1997-10-23  0:00             ` Pat Rogers
1997-10-24  0:00             ` Robert Dewar
1997-10-23  0:00         ` Robert A Duff
1997-10-21  0:00   ` Keith Thompson
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